mirror of
https://github.com/openseadragon/openseadragon.git
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325 lines
8.1 KiB
JavaScript
325 lines
8.1 KiB
JavaScript
/*!
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* jQuery Simulate v0.0.1 - simulate browser mouse and keyboard events
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* https://github.com/jquery/jquery-simulate
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*
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* Copyright 2012 jQuery Foundation and other contributors
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* Released under the MIT license.
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* http://jquery.org/license
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*
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* Date: Sun Dec 9 12:15:33 2012 -0500
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*/
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;(function( $, undefined ) {
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var rkeyEvent = /^key/,
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rmouseEvent = /^(?:mouse|contextmenu)|click/;
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$.fn.simulate = function( type, options ) {
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return this.each(function() {
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new $.simulate( this, type, options );
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});
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};
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$.simulate = function( elem, type, options ) {
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var method = $.camelCase( "simulate-" + type );
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this.target = elem;
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this.options = options;
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if ( this[ method ] ) {
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this[ method ]();
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} else {
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this.simulateEvent( elem, type, options );
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}
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};
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$.extend( $.simulate, {
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keyCode: {
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BACKSPACE: 8,
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COMMA: 188,
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DELETE: 46,
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DOWN: 40,
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END: 35,
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ENTER: 13,
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ESCAPE: 27,
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HOME: 36,
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LEFT: 37,
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NUMPAD_ADD: 107,
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NUMPAD_DECIMAL: 110,
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NUMPAD_DIVIDE: 111,
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NUMPAD_ENTER: 108,
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NUMPAD_MULTIPLY: 106,
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NUMPAD_SUBTRACT: 109,
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PAGE_DOWN: 34,
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PAGE_UP: 33,
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PERIOD: 190,
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RIGHT: 39,
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SPACE: 32,
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TAB: 9,
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UP: 38
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},
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buttonCode: {
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LEFT: 0,
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MIDDLE: 1,
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RIGHT: 2
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}
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});
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$.extend( $.simulate.prototype, {
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simulateEvent: function( elem, type, options ) {
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var event = this.createEvent( type, options );
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this.dispatchEvent( elem, type, event, options );
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},
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createEvent: function( type, options ) {
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if ( rkeyEvent.test( type ) ) {
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return this.keyEvent( type, options );
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}
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if ( rmouseEvent.test( type ) ) {
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return this.mouseEvent( type, options );
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}
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},
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mouseEvent: function( type, options ) {
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var event, eventDoc, doc, body;
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options = $.extend({
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bubbles: true,
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cancelable: (type !== "mousemove"),
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view: window,
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detail: 0,
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screenX: 0,
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screenY: 0,
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clientX: 1,
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clientY: 1,
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ctrlKey: false,
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altKey: false,
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shiftKey: false,
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metaKey: false,
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button: 0,
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relatedTarget: undefined
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}, options );
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if ( document.createEvent ) {
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event = document.createEvent( "MouseEvents" );
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event.initMouseEvent( type, options.bubbles, options.cancelable,
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options.view, options.detail,
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options.screenX, options.screenY, options.clientX, options.clientY,
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options.ctrlKey, options.altKey, options.shiftKey, options.metaKey,
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options.button, options.relatedTarget || document.body.parentNode );
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// IE 9+ creates events with pageX and pageY set to 0.
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// Trying to modify the properties throws an error,
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// so we define getters to return the correct values.
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if ( event.pageX === 0 && event.pageY === 0 && Object.defineProperty ) {
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eventDoc = event.relatedTarget.ownerDocument || document;
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doc = eventDoc.documentElement;
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body = eventDoc.body;
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Object.defineProperty( event, "pageX", {
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get: function() {
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return options.clientX +
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( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) -
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( doc && doc.clientLeft || body && body.clientLeft || 0 );
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}
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});
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Object.defineProperty( event, "pageY", {
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get: function() {
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return options.clientY +
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( doc && doc.scrollTop || body && body.scrollTop || 0 ) -
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( doc && doc.clientTop || body && body.clientTop || 0 );
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}
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});
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}
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} else if ( document.createEventObject ) {
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event = document.createEventObject();
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$.extend( event, options );
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// standards event.button uses constants defined here: http://msdn.microsoft.com/en-us/library/ie/ff974877(v=vs.85).aspx
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// old IE event.button uses constants defined here: http://msdn.microsoft.com/en-us/library/ie/ms533544(v=vs.85).aspx
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// so we actually need to map the standard back to oldIE
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event.button = {
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0: 1,
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1: 4,
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2: 2
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}[ event.button ] || event.button;
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}
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return event;
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},
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keyEvent: function( type, options ) {
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var event;
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options = $.extend({
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bubbles: true,
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cancelable: true,
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view: window,
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ctrlKey: false,
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altKey: false,
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shiftKey: false,
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metaKey: false,
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keyCode: 0,
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charCode: undefined
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}, options );
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if ( document.createEvent ) {
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try {
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event = document.createEvent( "KeyEvents" );
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event.initKeyEvent( type, options.bubbles, options.cancelable, options.view,
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options.ctrlKey, options.altKey, options.shiftKey, options.metaKey,
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options.keyCode, options.charCode );
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// initKeyEvent throws an exception in WebKit
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// see: http://stackoverflow.com/questions/6406784/initkeyevent-keypress-only-works-in-firefox-need-a-cross-browser-solution
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// and also https://bugs.webkit.org/show_bug.cgi?id=13368
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// fall back to a generic event until we decide to implement initKeyboardEvent
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} catch( err ) {
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event = document.createEvent( "Events" );
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event.initEvent( type, options.bubbles, options.cancelable );
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$.extend( event, {
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view: options.view,
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ctrlKey: options.ctrlKey,
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altKey: options.altKey,
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shiftKey: options.shiftKey,
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metaKey: options.metaKey,
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keyCode: options.keyCode,
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charCode: options.charCode
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});
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}
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} else if ( document.createEventObject ) {
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event = document.createEventObject();
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$.extend( event, options );
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}
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if ( !!/msie [\w.]+/.exec( navigator.userAgent.toLowerCase() ) || (({}).toString.call( window.opera ) === "[object Opera]") ) {
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event.keyCode = (options.charCode > 0) ? options.charCode : options.keyCode;
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event.charCode = undefined;
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}
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return event;
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},
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dispatchEvent: function( elem, type, event ) {
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if ( elem.dispatchEvent ) {
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elem.dispatchEvent( event );
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} else if ( elem.fireEvent ) {
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elem.fireEvent( "on" + type, event );
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}
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},
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simulateFocus: function() {
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var focusinEvent,
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triggered = false,
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element = $( this.target );
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function trigger() {
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triggered = true;
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}
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element.bind( "focus", trigger );
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element[ 0 ].focus();
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if ( !triggered ) {
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focusinEvent = $.Event( "focusin" );
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focusinEvent.preventDefault();
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element.trigger( focusinEvent );
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element.triggerHandler( "focus" );
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}
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element.unbind( "focus", trigger );
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},
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simulateBlur: function() {
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var focusoutEvent,
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triggered = false,
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element = $( this.target );
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function trigger() {
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triggered = true;
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}
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element.bind( "blur", trigger );
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element[ 0 ].blur();
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// blur events are async in IE
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setTimeout(function() {
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// IE won't let the blur occur if the window is inactive
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if ( element[ 0 ].ownerDocument.activeElement === element[ 0 ] ) {
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element[ 0 ].ownerDocument.body.focus();
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}
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// Firefox won't trigger events if the window is inactive
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// IE doesn't trigger events if we had to manually focus the body
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if ( !triggered ) {
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focusoutEvent = $.Event( "focusout" );
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focusoutEvent.preventDefault();
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element.trigger( focusoutEvent );
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element.triggerHandler( "blur" );
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}
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element.unbind( "blur", trigger );
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}, 1 );
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}
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});
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/** complex events **/
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function findCenter( elem ) {
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var offset,
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document = $( elem.ownerDocument );
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elem = $( elem );
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offset = elem.offset();
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return {
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x: offset.left + elem.outerWidth() / 2 - document.scrollLeft(),
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y: offset.top + elem.outerHeight() / 2 - document.scrollTop()
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};
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}
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function findCorner( elem ) {
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var offset,
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document = $( elem.ownerDocument );
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elem = $( elem );
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offset = elem.offset();
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return {
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x: offset.left - document.scrollLeft(),
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y: offset.top - document.scrollTop()
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};
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}
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$.extend( $.simulate.prototype, {
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simulateDrag: function() {
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var i = 0,
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target = this.target,
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options = this.options,
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center = options.handle === "corner" ? findCorner( target ) : findCenter( target ),
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x = Math.floor( center.x ),
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y = Math.floor( center.y ),
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coord = { clientX: x, clientY: y },
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dx = options.dx || ( options.x !== undefined ? options.x - x : 0 ),
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dy = options.dy || ( options.y !== undefined ? options.y - y : 0 ),
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moves = options.moves || 3;
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this.simulateEvent( target, "mousedown", coord );
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for ( ; i < moves ; i++ ) {
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x += dx / moves;
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y += dy / moves;
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coord = {
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clientX: Math.round( x ),
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clientY: Math.round( y )
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};
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this.simulateEvent( document, "mousemove", coord );
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}
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this.simulateEvent( target, "mouseup", coord );
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this.simulateEvent( target, "click", coord );
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}
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});
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})( jQuery );
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